void portal(Player @player, Portal @portal) {
if (player.getChannel().getMap(220080001).getMobsCount() == 1) {
player.showMessage("The battle with Papulatus has already begun, so you cannot enter this place.");
return;
}
if (player.getChannel().getMap(220080001).getPlayers().getAmount() == 0) {
player.getChannel().getMap(220080001).clearReactors();
}
player.changeMap(220080001, "st00");
}